Update app.py

app.py

@@ -532,7 +532,10 @@ def generate_video(image, prompt, max_tokens):
     
     # Dùng multiprocessing
     # with multiprocessing.Pool(processes=20) as pool:
-    with ProcessPoolExecutor(max_workers=20) as pool:
+    # with ProcessPoolExecutor(max_workers=20) as pool:
+    ctx = multiprocessing.get_context()
+    ctx.Process(target=lambda: None).daemon = False
+    with ctx.Pool(processes=20) as pool:
         text_imgs = pool.map(generate_text_img_wrapper, params_for_text)
         hidden_imgs = pool.map(generate_hidden_img_wrapper, params_for_hidden)